ON TWO OCCASSIONS I THOUGHT I WAS STEPPING ON THE BRAKE BUT THE CAR SURGED BACKWARDS. I WAS ABLE TO STOP BUT NOT BEFORE HITTING A CAR BEHIND ME. THE SECOND TIME I HIT A FENCE IN A SCHOOL PARKING LOT WHILE PICKING UP YOUNG CHILDREN. IT WAS DISMISSAL TIME SO THERE WERE MANY 3-4 GRADE CHILDREN AROUND. *TR